Explanation

• CC stands for Carbon Copy.
• It is used to send a copy of an email to additional recipients.
• All recipients can see the email addresses listed in the To and Cc fields.

Additional information:

• Bcc (Blind Carbon Copy) → Sends a hidden copy; other recipients cannot see these addresses.

Last verified on 11-07-2026

Explanation

• Flash memory is a type of EEPROM that can be electrically erased and reprogrammed in blocks.
• It is non-volatile memory, meaning it retains data even when power is turned off.
• It is widely used in USB drives, SSDs, and memory cards.

Last verified on 05-10-2026

Explanation

• Bill Gates is the co-founder of Microsoft, along with Paul Allen in 1975.
• He is an American businessman, software developer, and philanthropist.
• He belongs to the United States of America (USA).
• He was conferred the Hilal-e-Pakistan on February 17, 2022, for his services in public health and philanthropy.

Last verified on 05-10-2026

Explanation

• An Operating System (OS) is system software.
• It manages computer hardware and provides a platform for running application software.
• It acts as an interface between the user and computer hardware.

Functions of an Operating System:

• Allocates resources
• Monitors activities
• Manages disks and files

Last verified on 02-07-2026

Explanation

• Transistors were the core technology used in second-generation computers.
• The University of Manchester's experimental Transistor Computer was first operational in November 1953

Additional information:

The five generations of computers:

1. First Generation (1946-1959 or 1940-1956): Vacuum tube-based technology (e.g., ENIAC).
2. Second Generation (1959-1965 or 1956-1963): Transistor-based technology.
3. Third Generation (1965-1971 or 1964-1971): Integrated circuit-based technology.
4. Fourth Generation (1972-1980): VLSI microprocessor-based technology.
5. Fifth Generation (1980-present): ULSI microprocessor-based technology, with a focus on artificial intelligence.